Why pool wiring is different
Pools require bonding of metal parts — ladders, rails, pump motors, rebar and water — so everything around the pool stays at the same electrical potential. Missing or broken bonding is a serious hazard.
Pool equipment also needs GFCI protection where required, correct clearances from overhead lines, and outdoor-rated equipment and enclosures. Upgrades like variable-speed pumps and automation often need circuit changes.
What the work typically involves
Assess equipment
Review pumps, heaters, lighting and existing circuits.
Verify bonding and grounding
Test the bonding grid and equipment grounding.
Install or correct circuits
Add or repair circuits, GFCI protection and disconnects.
Test and inspect
Test all equipment and arrange inspection where required.
Common reasons homeowners call
- New pool installation
- Replacing a pool pump
- Adding a heater or automation
- GFCI trips at the pool equipment
- Pool light not working
Warning signs — stop swimming and call
- Tingling sensation in the pool or on rails
- GFCI trips when the pump runs
- Corroded bonding lugs
- Water in the pool light niche box
- Burning smell at equipment
Safety considerations
Tingling in the water is an emergency. If anyone feels a tingle or shock in or around the pool, get everyone out of the water immediately, keep them out, and turn off pool equipment at the breaker if it's safe. Have the system checked before anyone swims again.
What an electrician will check
- Equipotential bonding
- GFCI protection
- Pump and heater circuit sizing
- Pool light niche and junction box
- Clearances from overhead wiring
Related electrical problems
Related residential services
Hot Tub Electrical
Dedicated 240V hot tub and spa circuits, GFCI disconnects and bonding for new and replacement spas.
GFCI Outlet Installation
Adding GFCI shock protection to kitchens, bathrooms, laundry rooms, garages, basements and outdoor outlets.
Landscape Lighting
Low-voltage path, garden, tree and facade lighting with properly installed transformers and outdoor outlets.
Outdoor Lighting
Exterior lighting for porches, patios, decks, driveways and walkways — wired and rated for outdoor use.
Frequently asked questions
Bonding connects metal parts around the pool and the water together so there's no dangerous voltage difference between them.
Common causes include moisture in connections, a failing motor or damaged wiring. Troubleshooting pinpoints the cause.
Pool lights sit in water and connect to line voltage. They should be serviced by a qualified electrician.